Question about Toshiba 57H81 57" Rear Projection Television
Hello I have a Toshiba 57H81 57 in rear projection TV that is only about 5 years old. Yesturday, A black triangle appeared in the upper right corner of the screen outside of that is a red bar that also is on a 45 degree angle adjasent to the triangle, and finaly outside of that is a yellow bar also on a 45 degree angle, adjasent to the red bar. The rest of the picture looks fine, except the color might be a little off across the top. - I have messed with the convergance and the touch focus, and neither made a difference. The problem occurs on any of the inputs.
- Hope someone can help.
YOU HAVE A CONVERGENCE PROBLEM IC'S WILL NEED TO BE REPLACED. THE FACT THAT THE LINES DID NOT MOVE WHEN YOU TRIED TO ADJUST THEM CONFIRMS IT.
Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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Aug 31, 2011 | Hitachi Televison & Video
Basically the wiring of the large harness corresponds to the pins like this.
Starting in the upper right hand corner and working down the right side from A12 down to A1.
1=Left rear output-red
2=Left rear output-blue
3=Right rear output-black
4=Right rear output-yellow
6=Left front input-black
7=Left front input-yellow
8=Left rear input-orange
9=Left rear input-green
Back up to upper left hand corner on the large plug
13=Right front tweeter output-red
14=Right front tweeter output-blue
15=Left front tweet output-red
16=Left front tweeter output-blue
18=Right front input-red
19=Right front input-white
20=Right rear input-blue
21=Right rear input-red
23=Right front sub (+) output-yellow
24=Right front sub (-) output-black
The small harness is the same above with the upper right position being pin 1 going down to pin 4 then back up to the top for pin 5 down to pin 8.
1=Memory Power-Lrg White
2=Amp Ground- Lrg Black
3=Left front sub (+)output-yellow
4=Left front sub (-) output-black
5=Left front mid (+) output-white
6=Left front mid (-) output-brown
7=Right front mid (-)output-brown
8=Right front mid (+) output-white
Hope this will help you.
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